Question

The radius of a circle is 2.6 ft. Find the circumference

to

the

nearest

tenth
to the nearest tenth.

Answer 1

16.3 ft

Step-by-step explanation:

circumference of circle = 2πr ( r is the radius )

Here radius = 2.6 ft

Circumference:

• 2 * π * 2.6

• 5.2 π

• 16.3 ft

Answer 2

Digram :

`\setlength{\unitlength}{1cm}\begin{picture}(0,0)\thicklines\qbezier(2.3,0)(2.121,2.121)(0,2.3)\qbezier(-2.3,0)(-2.121,2.121)(0,2.3)\qbezier(-2.3,0)(-2.121,-2.121)(0,-2.3)\qbezier(2.3,0)(2.121,-2.121)(-0,-2.3)\put(0,0){\line(1,0){2.3}}\put(0.5,0.3){\bf\large 2.6ft\ cm}\end{picture}`

`\\ \\`

Given :

• radius of circle = 2.6 ft

`\\ \\`

To find :

• Circumference = ?

`\\ \\`

Solution :-

We know :

`\boxed{ \rm Circumference_((\sf circle)) = 2\pi \: radius}`

`\\`

So:-

`\dashrightarrow\sf Circumference_((\sf circle)) = 2\pi \: radius \\`

`\\ \\`

`\dashrightarrow\sf Circumference_((\sf circle)) = 2 * (22)/(7) * 2.6\\`

`\\ \\`

`\dashrightarrow\sf Circumference_((\sf circle)) = 2 * (22)/(7) * (26)/(10) \\`

`\\ \\`

`\dashrightarrow\sf Circumference_((\sf circle)) =(44)/(7) * (26)/(10) \\`

`\\ \\`

`\dashrightarrow\sf Circumference_((\sf circle)) =(1144)/(7 * 10) \\`

`\\ \\`

`\dashrightarrow\sf Circumference_((\sf circle)) =(1144)/(70) \\`

`\\ \\`

`\dashrightarrow\bf Circumference_((\bf circle)) =16.34~ft\{approx\} \\`